problem description
to make an echars diagram, you need to zoom in without displaying the text information of the node
the environmental background of the problems and what methods you have tried
currently you can zoom, but you can"t hide the text after zooming
related codes
/ / Please paste the code text below (do not replace the code with pictures)
what result do you expect? What is the error message actually seen?
the desired effect is as follows (check the effect)
before zooming